From: Kailang Yang <kailang@realtek.com>
Date: Mon, 7 Apr 2014 08:41:52 +0000 (+0800)
Subject: ALSA: hda/realtek - Improve HP depop when system change power state on Chromebook
X-Git-Tag: v3.15-rc1~36^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de9481cb40339d9bfc1104b53649876fc5f3d432;p=pandora-kernel.git

ALSA: hda/realtek - Improve HP depop when system change power state on Chromebook

It is better to change Mic2-Vref to manual mode.
Manual control Mic2-Vref will solve pop noise issue.
It will improve pop noise for power on, power off, S3 and resume.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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